Natural source of Omega 3. In Extra Virgin Lemon Dill Olive Oil. Supportive but not conclusive research shows that consumption of EPA and DHA Omega 3 Fatty Acids may reduce the risk of coronary heart disease. One serving of Yellow Fin Tuna in oil provides 0.09 grams of EPA and DHA Omega-3 Fatty Acids. See nutrition information for total fat, saturated fat and cholesterol content.